Westport Fuel Systems Inc. announced that Mariano Costamagna has stepped down from the Board of Directors while continuing in his ambassador role with the company.  Mariano Costamagna was Fuel Systems' chief executive officer from January 2005 to May 2016.  Upon the closing of the merger, he joined the Board of Westport Fuel Systems and began his role as ambassador, both effective June 1, 2016. Mr. Costamagna's Board resignation is effective from January 9, 2017.